Answer:
Step-by-step explanation:
a). [tex]1\frac{3}{5}=1+\frac{3}{5}[/tex]
[tex]=1+\frac{3}{5}\times \frac{4}{4}[/tex]
[tex]=1+\frac{12}{20}[/tex]
[tex]=1\frac{12}{20}[/tex]
[tex]1\frac{3}{4}=1+\frac{3}{4}[/tex]
[tex]=1+\frac{3}{4}\times \frac{5}{5}[/tex]
[tex]=1+\frac{15}{20}[/tex]
[tex]=1\frac{15}{20}[/tex]
Therefore, common denominator of 20.
b). [tex]2\frac{1}{2}=2+\frac{1}{2}[/tex]
[tex]=2+\frac{1}{2}\times \frac{5}{5}[/tex]
[tex]=2+\frac{5}{10}[/tex]
[tex]=2\frac{5}{10}[/tex]
[tex]\frac{4}{5}=\frac{4}{5}\times \frac{2}{2}[/tex]
[tex]=\frac{8}{10}[/tex]
Common denominator of 10.
c). [tex]\frac{3}{8}=\frac{3}{8}\times \frac{6}{6}[/tex]
= [tex]\frac{18}{48}[/tex]
[tex]\frac{1}{6}=\frac{1}{6}\times \frac{8}{8}[/tex]
= [tex]\frac{8}{48}[/tex]
Common denominator of 48.